/Engine/Source/Runtime/MovieScene/Public/MovieScene.h
Retrieve a time controller from this sequence instance, if the clock source is set to custom
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FMovieSceneTimeController](API\Runtime\MovieScene\FMovieSceneTimeController) > MakeCustomTimeController ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * PlaybackContext )